linux-next: Tree for Jul 16 (drivers/vfio/cdx/intr.c)

[Randy Dunlap]

On 7/16/25 4:25 AM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20250715:
> 

on ARCH=um SUBARCH=x86_64:

../drivers/vfio/cdx/intr.c: In function ‘vfio_cdx_msi_enable’:
../drivers/vfio/cdx/intr.c:41:15: error: implicit declaration of function ‘msi_domain_alloc_irqs’; did you mean ‘msi_domain_get_virq’? [-Wimplicit-function-declaration]
   41 |         ret = msi_domain_alloc_irqs(dev, MSI_DEFAULT_DOMAIN, nvec);
      |               ^~~~~~~~~~~~~~~~~~~~~
      |               msi_domain_get_virq
../drivers/vfio/cdx/intr.c: In function ‘vfio_cdx_msi_disable’:
../drivers/vfio/cdx/intr.c:135:9: error: implicit declaration of function ‘msi_domain_free_irqs_all’ [-Wimplicit-function-declaration]
  135 |         msi_domain_free_irqs_all(dev, MSI_DEFAULT_DOMAIN);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~


Those missing functions are provided by CONFIG_GENERIC_MSI_IRQ
(which is not set).

Should VFIO_CDX select GENERIC_MSI_IRQ or just not build on ARCH=um?


-- 
~Randy